#include "../tools.h"





class Solution {
public:
    TreeNode* getNext(TreeNode* tree){

    }
};


int main(int argc, char const *argv[])
{
    
    vector<int> arr = {1, 2, 3, 4, 5, 6, 7, -1, -1, 8, 9, -1, -1, -1, -1};
    TreeNode* tree = create_tree(arr);
    show(tree);

    
    
    return 0;
}
